The development of advanced spread spectrum LFM waveforms for enhanced SAR and GMTI

John C. Kirk; Scott Darden; Uttam K. Majumder; Michael J. Minardi; Mark R. Bell

doi:10.1117/12.2224765

14 May 2016 The development of advanced spread spectrum LFM waveforms for enhanced SAR and GMTI

John C. Kirk, Scott Darden, Uttam K. Majumder, Michael J. Minardi, Mark R. Bell

Proceedings Volume 9843, Algorithms for Synthetic Aperture Radar Imagery XXIII; 98430A (2016) https://doi.org/10.1117/12.2224765
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

Advanced spread spectrum linear frequency modulated (LFM) waveforms are being developed for advanced capability synthetic aperture radar (SAR) and ground moving target indication (GMTI) applications. We have demonstrated by analysis and simulation the feasibility of these new type waveforms and are now in the process of implementing them in hardware. The basic approach is to combine a traditional LFM radar waveform with a direct sequence spread spectrum (DSSS) waveform, and then on receive to de-spread the return and capture the resultant LFM return for traditional matched filter processing and enhanced SAR and GMTI. We show the analysis, simulation and some preliminary hardware results.

Citation Download Citation

John C. Kirk, Scott Darden, Uttam K. Majumder, Michael J. Minardi, and Mark R. Bell "The development of advanced spread spectrum LFM waveforms for enhanced SAR and GMTI", Proc. SPIE 9843, Algorithms for Synthetic Aperture Radar Imagery XXIII, 98430A (14 May 2016); https://doi.org/10.1117/12.2224765

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